In a routing virtualization concept, which are the two main techniques for creating virtualized router entities as defined by their physical and operational characteristics? (Choose two.)
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A. B. C. D. E.BD.
http://www.cisco.com/en/US/solutions/collateral/ns341/ns524/ns562/ns573/white_paper_c11-512753_ns573_Networking_Solutions_White_Paper.htmlIn a routing virtualization concept, the main techniques for creating virtualized router entities as defined by their physical and operational characteristics are:
VDC (Virtual Device Contexts): This technique creates multiple logical switches or routers within a single physical switch or router. Each VDC has its own set of virtualized routing and forwarding tables, as well as its own set of interfaces and management features. This allows multiple tenants to share a single physical device while maintaining their own isolated network environments.
SDR (Service Discovery Router): SDR is a technique used in Cisco's Carrier Routing System (CRS) that allows a single physical router to be partitioned into multiple virtual routers. Each SDR has its own set of routing protocols, interfaces, and management features, and can be configured and managed independently from other SDRs on the same physical router. This allows multiple service providers to share a single physical router while maintaining their own independent routing domains.
The other options mentioned in the question are not techniques used for virtualizing routers. DRP (Distributed Resource Scheduler) is a feature of VMware's vSphere virtualization platform, while HVR (High Availability Virtual Router) is a term used to describe a virtual router that has been configured for high availability.